From patchwork Fri Nov 12 17:18:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mullati Siva X-Patchwork-Id: 12617161 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81B44C433F5 for ; Fri, 12 Nov 2021 17:18:57 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 40CE060F51 for ; Fri, 12 Nov 2021 17:18:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 40CE060F51 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A5A816ECF3; Fri, 12 Nov 2021 17:18:56 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 23AB26ECF3 for ; Fri, 12 Nov 2021 17:18:56 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10166"; a="233114476" X-IronPort-AV: E=Sophos;i="5.87,230,1631602800"; d="scan'208";a="233114476" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2021 09:18:49 -0800 X-IronPort-AV: E=Sophos;i="5.87,230,1631602800"; d="scan'208";a="471212439" Received: from vkariyax-mobl.gar.corp.intel.com (HELO smullati-desk.gar.corp.intel.com) ([10.215.119.182]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2021 09:18:47 -0800 From: Mullati Siva To: intel-gfx@lists.freedesktop.org, siva.mullati@intel.com Date: Fri, 12 Nov 2021 22:48:28 +0530 Message-Id: <20211112171828.21770-1-siva.mullati@intel.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915: Skip remap_io_mapping() for non-x86 platforms X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com, lucas.demarchi@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The _PAGE_CACHE_MASK macro is not defined in non-x86 architectures and it's been used in remap_io_mapping(). Only hw that supports mappable aperture would hit this path remap_io_mapping(), So skip this code for non-x86 architectures. Signed-off-by: Mullati Siva --- drivers/gpu/drm/i915/i915_mm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c index 666808cb3a32..d76feeaf3fd1 100644 --- a/drivers/gpu/drm/i915/i915_mm.c +++ b/drivers/gpu/drm/i915/i915_mm.c @@ -91,6 +91,7 @@ int remap_io_mapping(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn, unsigned long size, struct io_mapping *iomap) { +#if IS_ENABLED(CONFIG_X86) struct remap_pfn r; int err; @@ -108,6 +109,7 @@ int remap_io_mapping(struct vm_area_struct *vma, zap_vma_ptes(vma, addr, (r.pfn - pfn) << PAGE_SHIFT); return err; } +#endif return 0; }